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VulnerabilityPublished Updated

CVE-2025-14586: TOTOLINK X5000R · OS Command Injection

Affects TOTOLINK X5000RSource CVE Database V5

0

Public exploit available · CVSS 5.3 Medium.

Data as of 26 Oct 2026, 11:42 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
2.7% chance of exploitation in 30 days – higher than 86% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    CVSS exploit maturity: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

  1. Apply firmware updates from TOTOLINK as soon as they become available to patch the vulnerability.
  2. Until patches are released, restrict access to the router's management interface by limiting it to trusted internal networks or via VPN.
  3. Disable remote management features if not required to reduce attack surface.
  4. Implement network-level protections such as web application firewalls (WAFs) or intrusion prevention systems (IPS) to detect and block malicious payloads targeting the vulnerable CGI endpoint.
  5. Monitor router logs and network traffic for unusual activity indicative of exploitation attempts, such as unexpected commands or connections.
  6. Conduct regular security assessments of network devices to identify outdated firmware and vulnerable configurations.
  7. Educate network administrators on the risks of exposing management interfaces and the importance of timely patching.
  8. Consider network segmentation to isolate critical systems from potentially compromised devices. These measures collectively reduce the likelihood of successful exploitation and limit potential damage.

Description

A vulnerability was determined in TOTOLINK X5000R 9.1.0cu.2089_B20211224. Affected by this issue is the function snprintf of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user. This manipulation of the argument User causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

References

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